He gleefully told CNET that Avast can boast 29 countries with at least 1 million active users each. He pointed to Brazil having just passed France as the country with the most Avast active users, both with 12 percent. The United States is in third with 8 percent, but that Americans lead with the most Avast paid-upgrade installs. Five percent of its actives are in Russia, which Steckler said puts the country fourth on Avast's list and gives the company more active users there than the Moscow-based Kaspersky.